How Long Does Samsung Tab A Battery Last. 2 Drag the brightness slider towards the left. Unlike the nickel batteries used in older phones lithium-ion batteries do best when kept above a 50 percent charge.

Unlike the nickel batteries used in older phones lithium-ion batteries do best when kept above a 50 percent charge. If this works it should take like 10 seconds. Scroll to System then tap Battery.
1 From the home screen swipe down from the top to view the notification panel.
Answer 1 of 5. Repair information for the 7 Android tablet by Samsung. This is my Galaxy S3 battery used daily for over a year and a half. Samsung Galaxy Tab 3 80.
